Rollup merge of #50514 - alexcrichton:update-llvm, r=kennytm

Pull in a wasm fix from LLVM upstream

This pulls in a fix for https://bugs.llvm.org/show_bug.cgi?id=36564 which has
already landed in upstream LLVM and should...

Closes rust-lang-nursery/rust-wasm#168
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Alex Crichton 2018-05-10 11:35:20 -05:00 committed by GitHub
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